CN102374818A - Heat exchanger media pad for gas turbine - Google Patents
Heat exchanger media pad for gas turbine Download PDFInfo
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- CN102374818A CN102374818A CN2011102575334A CN201110257533A CN102374818A CN 102374818 A CN102374818 A CN 102374818A CN 2011102575334 A CN2011102575334 A CN 2011102575334A CN 201110257533 A CN201110257533 A CN 201110257533A CN 102374818 A CN102374818 A CN 102374818A
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- Prior art keywords
- medium plate
- medium
- heat exchanger
- inlet
- passages
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
- F28F25/087—Vertical or inclined sheets; Supports or spacers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24628—Nonplanar uniform thickness material
- Y10T428/24636—Embodying mechanically interengaged strand[s], strand-portion[s] or strand-like strip[s] [e.g., weave, knit, etc.]
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Woven Fabrics (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The invention relates to a heat exchanger media pad for a gas turbine, and specifically discloses a media sheet (50) for a heat exchanger (30). The media sheet (50) includes a first layer (70) having a first outer surface (72) and a second layer (74) having a second outer surface (76). The first (70) and second (74) layers define a plurality of passages (80) extending therebetween. At least one of the first (72) and second (76) outer surfaces comprises a plurality of depressions (90). The plurality of depressions (90) further define the plurality of passages (80) therebetween. The media sheet (50) is polymer fiber-based and wettable.
Description
Technical field
Disclosed theme relates generally to heat exchanger in the literary composition, and relates more specifically to the dielectric insert (pad) in the heat exchanger.
Background technology
Gas turbine is widely used for the field such as generating.Conventional gas turbine engine systems comprises compression environment compression of air machine; Be used to that compressed air is mixed with fuel mutually and the burner of this mixture that burns; And by the turbine of ignition mixture driving with generation power and discharge gas.
The various schemes that are used to increase the quantity of power that gas turbine can produce are known in the art.A kind of mode that increases combustion turbine power output is through in compressor, cooling off this surrounding air before the compression surrounding air.Cooling causes air to have higher density, thereby produces the better quality flow velocity that gets in the compressor.Air gets into the better quality flow velocity of compressor and allows the more air of compression, thereby allows that gas turbine produces more power.In addition, cool ambient air can improve the efficient of gas turbine usually.
Various system and methods are used to cool off the surrounding air that gets into gas turbine.For example, heat exchanger can be used for cooling off through diving or coming cool ambient air through showing cooling.Many such heat exchanger working medium liners are helped cool ambient air.These dielectric insert allow that heat and/or quality transmit between surrounding air and cooling agent.Cooling agent in surrounding air and the dielectric insert interacts, thus cool ambient air.
The known media liner that in heat exchanger, uses is for example formed by cellulose fibre.Dielectric insert based on cellulose fibre generally includes curing agent, and this curing agent is designed to when flowing through dielectric insert such as the cooling agent of water, keep the structural intergrity of dielectric insert.Yet, being inappropriate for the situation that needs a large amount of cooling agents usually based on the dielectric insert of cellulose fibre, this can decompose curing agent and dielectric insert is damaged.In addition, responsive especially based on the dielectric insert of cellulose fibre to the quality (quality) of the cooling agent that flows through via it, and therefore possibly need to use the cooling agent of " dirt " but not clean cooling agent and be used for dielectric insert so that true(-)running.
Other known dielectric insert is formed by the solid plastic material of atresia.These dielectric insert can not spread all over surf zone and the cooling agent that evenly and fully distributes of liner usually.This can hinder effective cooling of surrounding air, and can cause causing the dryin-up point of the hot striped of air in some cases, and this possibly be unfavorable for the operation of GTC.In addition, under higher relatively speed air flow, these dielectric insert may not keep cooling agent, and replacement is possibly have the trend that cooling agent is flowed out.
Therefore, expectation be in the art a kind of dielectric insert to be arranged, it provides more efficiently cooling and insensitive to the cooling agent quality.In addition, it will be favourable when a large amount of cooling agents flow through via it, will keeping the dielectric insert of structural intergrity.In addition, reduce or prevent dryin-up point and the dielectric insert of the hot striped that therefore produces will be expected.At last, the dielectric insert that keeps cooling agent to be in relative higher air flowing velocity will be favourable.
Summary of the invention
Aspect of the present invention and advantage will be in following explanation be partly set forth, or can be according to this explanation and clear, maybe can understand through embodiment of the present invention.
In one embodiment, a kind of medium plate (sheet) that is used for heat exchanger is disclosed.This medium plate comprises the ground floor with first outer surface and the second layer with second outer surface.The ground floor and the second layer are limited to a plurality of passages that extend therebetween.In first outer surface and second outer surface at least one comprises a plurality of recesses (depression).These a plurality of recesses also limit a plurality of passages betwixt.The medium plate is based on polymer fiber and wettable.
With reference to following explanation and accompanying claims, these and other characteristic of the present invention, aspect and advantage will be better understood.Incorporate in this specification and constitute its a part of accompanying drawing showing embodiments of the invention into, and combine explanation to be used to set forth principle of the present invention together.
Description of drawings
In specification with reference to accompanying drawing, illustrated the disclosure that the complete sum that the present invention includes its optimal mode can be implemented to those of ordinary skill of the present invention, in the accompanying drawings:
Fig. 1 is the sketch of gas turbine engine systems;
Fig. 2 is the perspective view of an embodiment of the dielectric insert of present disclosure;
Fig. 3 is the front view of an embodiment of the medium plate of present disclosure;
Fig. 4 is the front view of another embodiment of the medium plate of present disclosure;
Fig. 5 is the front view of another embodiment of the medium plate of present disclosure; And
Fig. 6 is the front view of another embodiment of the medium plate of present disclosure.
Parts List
10 gas turbine engine systems
12 compressors
14 burners
16 turbines
18
20 gas turbines inlet
22 inlet streams
24 air exits
26 exhausts stream
30 heat exchangers
32 heat exchange mediums
34 heat exchange mediums inlet
36 heat exchange medium exits
38 dielectric insert
42 filters
44 drift eliminators
50 medium plates
52 inlet circulation roads
54 separators
56 perforates
58 installed parts (or support, mount)
60 notches
70 ground floors
72 first outer surfaces
74 second layers
76 second outer surfaces
78 peripheries (or periphery)
80 passages
82 restricted parts
84 inlet openings
90 recesses
92 inlet recesses
94 outlet recesses
The α angle
The specific embodiment
At present will be at length with reference to embodiments of the invention, one or more instance is shown in the drawings.Each instance all provides through explaination the present invention, and also unrestricted the present invention.In fact, those of ordinary skill in the art is very clear, do not depart from the scope of the present invention or the situation of spirit under, can carry out various modifications and modification in the present invention.For example, the characteristic that is shown or is described as the part of an embodiment can combine another embodiment to use, to produce another embodiment.Therefore, expectation is that these modifications and the modification in the scope that is included into accompanying claims and equivalent thereof contained in the present invention.
Fig. 1 is the sketch of gas turbine engine systems 10.System 10 can comprise compressor 12, burner 14 and turbine 16.In addition, system 10 can comprise a plurality of compressor 12, burner 14 and turbine 16.Compressor 12 can be connected by axle 18 with turbine 16.Axle 18 can be single axle or be linked together and form a plurality of joint sections of axle 18.
System 10 also can comprise gas turbine inlet 20.Inlet 20 can be configured in order to take in inlet stream 22.For example, in one embodiment, inlet 20 can be gas turbine suction casing (house).As alternative, inlet 20 can be any part of the system 10 that can take in inlet stream 22, for example any equipment at any part of compressor 12 or compressor 12 upper reaches.In the exemplary embodiment, inlet stream 22 can be surrounding air, and it can be through that regulate or unregulated.As alternative, inlet stream 22 can be any suitable fluid, and can be preferably any suitable gas.
System 10 also can comprise air exit 24.Outlet 24 can be configured in order to discharge combustion turbine exhaustion stream 26.In certain embodiments, exhaust stream 26 can guide to the heat recovery steam generator (not shown).As alternative, exhaust stream 26 for example can guide to the absorption chiller (not shown) or be diffused in the surrounding air.
This system 10 also can comprise heat exchanger 30.Should be understood that the heat exchanger 30 of present disclosure is not limited in system 10, use.Definite, in needing any system of heat exchange operation, use heat exchanger 30 all to be in the scope and spirit of present disclosure.
Heat exchanger 30 can be configured in order to this inlet stream 22 of cooling before inlet stream 22 gets in the compressor 12.For example, heat exchanger 30 can be arranged in the gas turbine inlet 20, maybe can be positioned at the upper reaches or the downstream of gas turbine inlet 20.Heat exchanger 30 tolerables inlet stream 22 and heat exchange medium 32 flow through via it, and the interaction of can promote to enter the mouth stream 22 and heat exchange medium 32, so as before inlet stream 22 to get into compressors 12 to 22 coolings of inlet stream.In the exemplary embodiment, heat exchange medium 32 can be water.As alternative, heat exchange medium 32 can be any suitable fluid, and can be preferably any suitable liquid.
In the exemplary embodiment, heat exchanger 30 can be direct heat exchanger 30.Heat exchanger 30 can comprise heat exchange medium inlet 34, heat exchange medium exit 36 and dielectric insert 38.Inlet 34 can make heat exchange medium 32 flow to dielectric insert 38.For example, in one embodiment, inlet 34 can be nozzle or a plurality of nozzle.Outlet 36 can be taken in the heat exchange medium 32 of discharging from dielectric insert 38.For example, in one embodiment, outlet 36 can be the reservoir (sump) that is arranged on dielectric insert 38 downstream along the flow direction of heat exchange medium 32.In the exemplary embodiment, heat exchange medium 32 can from enter the mouth 34 along roughly or approximate downward direction guiding through dielectric insert 38, and inlet stream 22 can along roughly or near normal in the direction guiding of heat exchange medium 32 flow directions through over-heat-exchanger 30.
In certain embodiments, filter 42 can be arranged on the upper reaches of dielectric insert 38 along the direction of inlet stream 22.Filter 42 can be configured to before getting into dielectric insert 38 at inlet stream 22, remove degranulation from inlet stream 22, thereby prevents that particle from getting into system 10.As alternative or in addition, filter 42 can be arranged on the downstream of dielectric insert 38 along the direction of inlet stream 22.Filter 42 can be configured in order to before inlet stream 22 entering systems 10, to remove degranulation from inlet stream 22.
In certain embodiments, drift eliminator 44 can be arranged on the downstream of dielectric insert 38 along the direction of inlet stream 22.Drift eliminator 44 can be used to remove from inlet stream 22 before in inlet stream 22 entering systems 10 droplet (droplet) of heat exchange medium 32.
In certain embodiments, heat exchanger 30 can be configured in order to cool off inlet stream 22 through dive (or evaporation).Latent cooling is meant the cooling means of from the gas such as air, removing heat, causing the gas moisture content change.Latent cooling can comprise evaporates refrigerating gas with the liquid that is in environment temperature.Latent cooling can be used for gas cooled near its wet-bulb temperature.
In alternative, heat exchanger 30 can be configured in order to come condensation inlet stream 22 through showing cooling.Apparent cooling is meant the cooling means of from the gas such as air, removing heat, causing air dry-bulb temperature and wet-bulb temperature to change.Apparent cooling can relate to condensed fluid, and uses the liquid of condensation to come refrigerating gas then.Apparent cooling can be used for gas cooled to its below wet-bulb temperature.
Should be understood that dive cooling and apparent cooling are not the cooling means of mutual repulsion, but can use independently or in combination.The heat exchanger 30 that it is to be further understood that present disclosure is not limited to dive cooling and apparent cooling means, but can cool off or heat inlet and flow 22 through any suitable cooling or heating means.
Existing referring to Fig. 2, show dielectric insert 38 according to an embodiment of present disclosure.Dielectric insert 38 can comprise at least one or a plurality of medium plate 50.Medium plate 50 can be spaced apart from each other, so that limit a plurality of inlet circulation roads 52 betwixt.Therefore in these a plurality of inlet circulation roads 52 each all can be configured to make inlet stream 22 mobile via it.For example, the inlet stream 22 that the gets into dielectric insert 38 inlet circulation road 52 of can flowing through.In addition, as mentioned below, each in these a plurality of medium plates 50 all can be configured to make heat exchange medium 32 to flow via it.A plurality of medium plates 50 and therefore dielectric insert 38, thereby tolerable inlet stream 22 interacts with heat exchange medium 32, thus cooling or heating inlet stream 22.
Dielectric insert 38 also can comprise a plurality of separators 54.Separator 54 can limit inlet circulation road 52 at least in part.For example, each separator 54 all can be associated with at least one medium plate 50, and can be associated with a plurality of medium plates 50 in certain embodiments.In an embodiment shown in Figure 2, separator 54 can be fastened on the medium plate 50 through the perforate 56 that is limited in the medium plate 50.In addition or as alternative, separator 54 can be fastened on the medium plate 50 through binding as mentioned below or through any suitable fastener.Separator 54 can be substantially extends between relevant medium plate 50 and other medium plate 50, and medium plate 50 is spaced apart from each other and therefore limits the circulation road 52 that enters the mouth at least in part.
Dielectric insert 38 also can comprise a plurality of installed parts 58.In one embodiment, as shown in Figure 2, each installed part 58 all can be associated with a medium plate 50.Therefore usually, installed part 58 tolerables are with medium plate 50 and dielectric insert 38 is installed in the heat exchanger 30.In addition, installed part 58 can provide medium plate 50 simple and effectively on-the-spot installations and replacing.As shown in the figure, installed part 58 all can comprise notch 60.As indicated above, notch 60 can be provided as can install medium plate 50.In addition or as alternative, installed part 58 can comprise that all tolerable is installed in any suitable erecting device in the heat exchanger 30 with medium plate 50.
Separator 54 is gone back tolerable medium plate 50 with installed part 58 and can in heat exchanger, be adjusted, and if expect and can relative to each other adjust.For example, when the operating period of system 10 in relative hotter period, as summer or afternoon during, separator 54 can be used for locating medium plate 50 with installed part 58, and therefore is used to locate dielectric insert 38, so that cooling or heating inlet stream 22 best.Yet, during the relatively colder period,, maybe not need cool off or heat inlet and flow 22 as in the winter time or at dusk.In these situations, separator 54 is removable, and/or installed part 58 is used for medium plate 50 is adjusted the flow passage of inlet stream 22.Therefore, medium plate 50 and dielectric insert 38 can adjusts as expect and be used for system's 10 the bests and performance efficiently.
Fig. 3 to Fig. 6 shows the various embodiment of the medium plate 50 of present disclosure.Medium plate 50 can comprise the ground floor 70 that for example has first outer surface 72 and the second layer 74 with second outer surface 76.In addition, medium plate 50 can comprise internal layer or a plurality of internal layer (not shown) between the ground floor 70 and the second layer 74.In the exemplary embodiment, each layer 70,74 all can be independent dielectric material plate.As alternative, layer 70,74 can be the part of single dielectric material plate; It is for example collapsible forming various layer 70,74, or layer 70; 74 can form through plate being divided into the single dielectric material plate of multilayer cause; For example cut plate, so that limit the each several part of medium plate 50 and therefore limit layer 70,74 through the thickness that runs through plate.
The ground floor 70 and the second layer 74 can limit the periphery 78 of medium plate 50 substantially.In the exemplary embodiment, medium plate 50 can be essentially rectangular.Yet as alternative, medium plate 50 can for example be circular or ellipse, triangle or any polygon that other is fit to.
Usually, medium plate 50 can be the medium plate 50 based on polymer fiber, and as mentioned below, is wettable.For example; Medium plate 50 can be formed by polyacrylate, polyamide (for instance, like nylon), polyester, Merlon, polyimides, polystyrene, polyethylene, polyurethane, polyvinyls, polyolefin or any polymer fiber that other is fit to.In addition, medium plate 50 for example can be woven product or nonwoven products, and can use any suitable technology to form, and for example comprises wet-laying, spins into net, air lay, spinning winding-up, meltblown, braiding, knitting and/or make.Therefore dielectric insert 38 can combine the heat exchange medium 32 of any kind of to use usually, and maybe be also insensitive to the quality of heat exchange medium 32.For example, in one exemplary embodiment, heat exchange medium 32 can be pure water, and pure water possibly require not have any dirt.Certainly, should be understood that dirty water or any pure or dirty fluid that other is fit to all can be used as heat exchange medium 32.Therefore in addition, dielectric insert 38 can be roughly keeps its structural intergrity when providing a large amount of heat exchange medium 32, and can not cave in or decompose.
It is to be further understood that medium plate 50 can be formed by copolymer, and also can be complex media plate 50.For example, medium plate 50 can comprise any suitable metal, for instance, and like steel, aluminium, copper or other metal or metal alloy, or pottery, for instance, like glass or other pottery or ceramic complexes that is fit to.For example, metal and/or pottery can be embedding based on the silk thread in the medium plate 50 of polymer fiber, so that useful heat exchange medium 32 distribution properties or intensity property is provided.
Fig. 5 shows another embodiment, and therein, passage 80 roughly extends through medium plate 50 diagonally, and wherein various passage 80 all connects on fluid ground.For example, the passage 80 that extends through medium plate 50 diagonally can intersect at the each point place on the medium plate 50, and can connect on these fluid ground, some place.Fig. 6 shows another embodiment, and therein, passage 80 generally perpendicularly extends through medium plate 50, and wherein, various passages 80 include restricted part 82.Restricted part 82 can be the part of passage 80, and it has than overall less diameter or the width of passage 80 remainders.Restricted part 82 can be provided as in order to regulate heat exchange medium 32 flowing via medium plate 50.
Should be understood that passage 80 can have any suitable pattern, and can be any suitable size, so that heat exchange medium 32 is flow through via it.In addition, should be understood that passage 80 can be tapered, or can have any other modification or variant along the length of passage 80.In addition, should be understood that passage 80 may extend to the periphery 78 of medium plate 50, or can only partly extend through medium plate 50, and no show periphery 78.At last, should be understood that each passage 80 all can be different from other various passages 80, and the passage 80 that is limited in the medium plate 5 needn't be identical.
In the exemplary embodiment, at least a portion in a plurality of passages 80 can comprise inlet opening 84 respectively.Inlet opening 84 can be configured in order to take in heat exchange medium 32.For example, from enter the mouth 34 flow to dielectric insert 38 at least a portion heat exchange medium 32 can guide to each the inlet opening 84.Heat exchange medium 32 can be taken in the passage 80 of flowing through by inlet opening 84.
In first outer surface 72 and second outer surface 76 at least one, and be in the exemplary embodiment first outer surface 72 and second outer surface 76 both, can comprise a plurality of recesses 90.Recess 90 is qualifying bit a plurality of passages 80 therebetween roughly.For example, in the exemplary embodiment, recess 90 can through link, molded, be shaped or stretch, or otherwise attached or make and form, and medium plate 50 parts that do not form the final generation of recess 90 can form passage 80.As alternative, passage 80 can for example form passage 80 cuttings through the thickness that runs through the medium plate in medium plate 50.Medium plate 50 remainders that do not comprise passage 80 can take it is to comprise recess 90 as.
As said, recess 90 can be for example through link, molded, be shaped or stretch, or be used for any technology that other is fit to attached or that produce each layer of medium plate 50 and form, wherein, each layer of medium plate 50 comprises the ground floor 70 and the second layer 74.For example, binding can comprise that hot link, physics or mechanical link (as through compacting), ultrasonic wave link, chemical binding or braiding, knitting, pin seam or make, or through using adhesive to link.For example, shaping can comprise cold forming, roll forming, vacuum forming or hot forming.Link, molded, be shaped, stretch or each layer otherwise attached or that produce medium plate 50 can form passage 80 betwixt with generation recess 90.
The a plurality of recesses 90 that are formed in the medium plate 50 can include stomatodeum portion 92 and outlet recess 94.Inlet recess 92 can be near the recess that the periphery 78 of medium plate 50, limits with outlet recess 94.For example, inlet recess 92 can be limited near the periphery 78 at medium plate 50 upstream edge places with respect to inlet stream 22, for example can be at first and medium plate 50 and dielectric insert 38 interactional positions at inlet stream 22.Outlet recess 94 can flow 22 with respect to entering the mouth and be limited near the periphery 78 at medium plate 50 downstream edge places, for example can leave the position of medium plate 50 and dielectric insert 38 at inlet stream 22.Inlet recess 92 and outlet recess 94 can reduce when advancing to pass dielectric insert 38 with inlet and flow 22 pressure drops that are associated in that inlet is popular; And/or can be shaped to and help the heat transmission between inlet stream 22 and heat exchange medium 32 and mix, for example flow 22 through the turbulization inlet.In one exemplary embodiment, outlet raceway groove (channel) 94 also can be configured to before discharging heat exchange medium 32 from the dielectric insert 38 with inlet stream 22, obtain heat exchange medium 32.
In the exemplary embodiment, medium plate 50 is wettable.Therefore, medium plate 50 can form and make that heat exchange medium 32 can keep contacting with medium plate 50, and also can spread and spread all over medium plate 50.In addition, medium plate 50 can be hydrophily and/or porous.Therefore, medium plate 50 surface area that can spread all over medium plate 50 is usually taken in, absorbs, is flowed and distributed heat exchange media 32.For example, offer the heat exchange medium 32 of medium plate 50, as providing by inlet 34, wettable medium plate 50, and the medium plate 50 of flowing through.In the exemplary embodiment, heat exchange medium 32 can distribute relatively equably and spread all over the surface area of medium plate 50, thereby reduces or eliminates the dryin-up point on the heat exchange medium 32.In addition, can pass passage 80 and flow into and pass recess 90 via the heat exchange medium 32 in inlet opening 84 flow channels 80, and the heat exchange medium 32 of the recess 90 of flowing through can be from recess 90 admission passages 80.
Usually, passage 80 can be the raised portion with respect to recess 90 of medium plate 50.For example, passage 80 can be the raised portion with respect to recess 90 of the ground floor 70 and first outer surface 72, and/or can be the raised portion with respect to recess 90 of the second layer 74 and second outer surface 76.Therefore, the inlet circulation road 52 between the medium plate 50 can further be limited in recess 90 and rising passage 80.Therefore, inlet circulation road 52 can promote to pass the turbulent flow inlet stream 22 of dielectric insert 38, thereby advantageously strengthens the heat exchange between inlet stream 22 and the heat exchange medium 32.In addition, as indicated above, inlet recess 92 can reduce the pressure drop that is associated with the inlet stream 22 that passes dielectric insert 38 with outlet recess 94.
Therefore, the dielectric insert 38 of present disclosure can provide 22 more efficiently cooling or the heating of inlet stream.In addition, dielectric insert 38 can combine the heat exchange medium 32 of any kind of to use, and maybe be also insensitive to the quality of heat exchange medium 32.At last; The dielectric insert 38 of present disclosure can keep its structural intergrity when providing a large amount of heat exchange medium 38; And the surface area that can spread all over dielectric insert 38 and medium plate 50 advantageously absorbs therein, flows and distributed heat exchange media 38, thereby eliminates the dryin-up point of potential danger and promote cooling or the heating to inlet stream 22.
This written explanation has used the instance that comprises optimal mode to come open the present invention, and makes that also those of ordinary skill in the art can embodiment of the present invention, comprises making and using any device or system and carry out any method that combines.The patentable scope of the present invention is defined by the claims, and can comprise other instance that those of ordinary skill in the art visualizes.If these other instances comprise the literal language with claim and do not have the various structure element; If perhaps these other instances comprise the equivalent constructions element that does not have essential difference with the literal language of claim, think that then they are within the scope of claim.
Claims (15)
1. medium plate (50) that is used for heat exchanger (30), said medium plate (50) comprising:
Have the ground floor (70) of first outer surface (72) and have the second layer (74) of second outer surface (76); The said ground floor (70) and the said second layer (74) are limited to a plurality of passages (80) that extend therebetween; In said first outer surface (72) and said second outer surface (76) at least one comprises a plurality of recesses (90); Said a plurality of recess (90) also is limited to said a plurality of passages (80) therebetween, and
Wherein, said medium plate (50) is based on polymer fiber and wettable.
2. medium plate according to claim 1 (50) is characterized in that said polymer fiber comprises polyamide.
3. according to each described medium plate (50) in claim 1 to the claim 2, it is characterized in that said polymer fiber comprises polyester.
4. according to each described medium plate (50) in claim 1 to the claim 3, it is characterized in that said medium plate (50) comprises compound.
5. according to each described medium plate (50) in claim 1 to the claim 4, it is characterized in that said first outer surface (72) and said second outer surface (76) comprise said a plurality of recess (90).
6. according to each described medium plate (50) in claim 1 to the claim 5, it is characterized in that at least a portion in said a plurality of passages (80) includes and is configured in order to take in the inlet opening (84) of heat exchange medium (32).
7. according to each described medium plate (50) in claim 1 to the claim 6, it is characterized in that at least a portion of said a plurality of passages (80) includes at least one restricted part (82).
8. according to each described medium plate (50) in claim 1 to the claim 7, it is characterized in that at least a portion fluid ground in said a plurality of passages (80) connects.
9. according to each described medium plate (50) in claim 1 to the claim 8; It is characterized in that; The said ground floor (70) and the said second layer (74) also limit medium plate periphery (78); Wherein, said a plurality of recesses (90) include stomatodeum portion (92) and outlet recess (94), and said inlet recess (92) and said outlet recess (94) all are limited near the periphery (78) of said medium plate (50).
10. according to each described medium plate (50) in claim 1 to the claim 9, it is characterized in that, said a plurality of recesses (90) by link, molded, be shaped or stretch in a kind of formation.
11. a heat exchanger (30) comprising:
Dielectric insert (38), said dielectric insert (38) comprising:
A plurality of wettable medium plates (50) based on polymer fiber; Said a plurality of medium plates (50) are spaced apart from each other; So that be limited to a plurality of inlet circulation roads (52) therebetween; In said a plurality of medium plates (50) each includes ground floor (70) with first outer surface (72) and the second layer (74) with second outer surface (76); The ground floor (70) of each in said a plurality of medium plates (50) and the second layer (74) are limited to a plurality of passages (80) that extend therebetween; First outer surface (72) of each in said a plurality of medium plates (50) and at least one in second outer surface (76) comprise a plurality of recesses (90), and said a plurality of recesses (90) also are limited to said a plurality of passages (80) therebetween, and
Wherein, Said a plurality of medium plates (50) all are configured to use so that heat exchange medium (32) flows via it; And said a plurality of inlet circulation roads (52) all are configured to allow that with so that inlet stream (22) flows via it said inlet stream (22) and said heat exchange medium (32) interact.
12. heat exchanger according to claim 11 (30) is characterized in that, said heat exchanger (30) also comprises a plurality of separators (54), and said separator (54) limits said inlet circulation road (52) at least in part.
13., it is characterized in that said polymer fiber comprises polyamide according to each described heat exchanger (30) in claim 11 to the claim 12.
14., it is characterized in that said polymer fiber comprises polyester according to each described heat exchanger (30) in claim 11 to the claim 13.
15., it is characterized in that said medium plate (50) comprises compound according to each described heat exchanger (30) in claim 11 to the claim 14.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/852783 | 2010-08-09 | ||
| US12/852,783 US8662150B2 (en) | 2010-08-09 | 2010-08-09 | Heat exchanger media pad for a gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102374818A true CN102374818A (en) | 2012-03-14 |
| CN102374818B CN102374818B (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110257533.4A Expired - Fee Related CN102374818B (en) | 2010-08-09 | 2011-08-09 | Heat exchanger media pad for gas turbine |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8662150B2 (en) |
| JP (1) | JP6030823B2 (en) |
| CN (1) | CN102374818B (en) |
| CH (1) | CH703595B1 (en) |
| DE (1) | DE102011052234A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221269A (en) * | 2014-06-30 | 2016-01-06 | 通用电气公司 | The dielectric pad of gas turbine |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120125582A1 (en) * | 2010-11-16 | 2012-05-24 | Hiform AS, Pal Francis HANSEN | Heat exchanger of the plate type |
| WO2014064334A1 (en) * | 2012-10-22 | 2014-05-01 | Ekogen Oy | Method and apparatus for thermal energy conversion |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102011052234A1 (en) | 2012-02-16 |
| CH703595A2 (en) | 2012-02-15 |
| US20120031596A1 (en) | 2012-02-09 |
| CH703595B1 (en) | 2015-08-14 |
| US8662150B2 (en) | 2014-03-04 |
| JP2012037228A (en) | 2012-02-23 |
| CN102374818B (en) | 2015-03-25 |
| JP6030823B2 (en) | 2016-11-24 |
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